In this chapter the main theories were presented and the texts chosen to highlight the empire and the method were justified. The main theory highlighted was that, according to Hull, imperialism had three main factors to justify it: God, glory and gold. Colonialism was recognized and realized for the first time starting from the Christian mission in Africa. It also highlights ancient texts to describe the struggles of imperialism. This book lays out the reasons why they chose biblical texts as the basis for their thinking and actions regarding the idea of ​​imperialism. The author delves into the book of Exodus because it is the basic story that is constantly referred to, even throughout the New Testament. Overall, this chapter of the book highlights the basis of postcolonial theories and also explains the reasons behind them.